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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/tqpngio.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of PNG TQImage IOHandler +** +** Created : 970521 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQPNGIO_H +#define TQPNGIO_H + +#ifndef QT_H +#include "tqimage.h" +#endif // QT_H + +#ifndef TQT_NO_IMAGEIO_PNG + +void qInitPngIO(); + +class TQIODevice; + +#ifndef Q_PNGEXPORT +#if !defined(QT_PLUGIN) +#define Q_PNGEXPORT TQ_EXPORT +#else +#define Q_PNGEXPORT +#endif +#endif + +class Q_PNGEXPORT TQPNGImageWriter { +public: + TQPNGImageWriter(TQIODevice*); + ~TQPNGImageWriter(); + + enum DisposalMethod { Unspecified, NoDisposal, RestoreBackground, RestoreImage }; + void setDisposalMethod(DisposalMethod); + void setLooping(int loops=0); // 0 == infinity + void setFrameDelay(int msecs); + void setGamma(float); + + bool writeImage(const TQImage& img, int x, int y); + bool writeImage(const TQImage& img, int quality, int x, int y); + bool writeImage(const TQImage& img) + { return writeImage(img, 0, 0); } + bool writeImage(const TQImage& img, int quality) + { return writeImage(img, quality, 0, 0); } + + TQIODevice* device() { return dev; } + +private: + TQIODevice* dev; + int frames_written; + DisposalMethod disposal; + int looping; + int ms_delay; + float gamma; +}; + +class Q_PNGEXPORT TQPNGImagePacker : public TQPNGImageWriter { +public: + TQPNGImagePacker(TQIODevice*, int depth, int convflags); + + void setPixelAlignment(int x); + bool packImage(const TQImage& img); + +private: + TQImage previous; + int depth; + int convflags; + int alignx; +}; + +#endif // TQT_NO_IMAGEIO_PNG + +#endif // TQPNGIO_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |